Perhaps you should try some spelling variations:
oral communication » personal communication
information based » information case, information bank, transformation based
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
africa areas » africa east, africa asia, africa autos
based debt » based deep, based direct
debt oral » debt moral, debt oil

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologien als information based debt oral communication costs _ development africa areas.*.